<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级名称" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入班级名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学员名称" prop="studentName">
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入学员名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程名称" prop="curriculumName">
        <el-input
          v-model="queryParams.curriculumName"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="state">
        <el-select v-model="queryParams.state" placeholder="请选择状态">
          <el-option
            v-for="dict in dict.type.student_state"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          ></el-option>
        </el-select>

      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['jiaopei:classStudent:add']"
        >新增</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button-->
<!--          type="success"-->
<!--          plain-->
<!--          icon="el-icon-edit"-->
<!--          size="mini"-->
<!--          :disabled="single"-->
<!--          @click="handleUpdate"-->
<!--          v-hasPermi="['jiaopei:classStudent:edit']"-->
<!--        >修改</el-button>-->
<!--      </el-col>-->
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['jiaopei:classStudent:remove']"
        >删除</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button-->
<!--          type="warning"-->
<!--          plain-->
<!--          icon="el-icon-download"-->
<!--          size="mini"-->
<!--          @click="handleExport"-->
<!--          v-hasPermi="['jiaopei:classStudent:export']"-->
<!--        >导出</el-button>-->
<!--      </el-col>-->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="classStudentList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" v-if="true" min-width="40"  show-overflow-tooltip />
      <el-table-column label="班级" align="center" prop="classVo.name" />
      <el-table-column label="学员" align="center" prop="studentVo.name" />
      <el-table-column label="课程" align="center" prop="curriculumVo.name" />
      <el-table-column label="状态" align="center" prop="state">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.student_state" :value="scope.row.state"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createdDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createdDate, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
<!--      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">-->
<!--        <template slot-scope="scope">-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-edit"-->
<!--            @click="handleUpdate(scope.row)"-->
<!--            v-hasPermi="['jiaopei:classStudent:edit']"-->
<!--          >修改</el-button>-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-delete"-->
<!--            @click="handleDelete(scope.row)"-->
<!--            v-hasPermi="['jiaopei:classStudent:remove']"-->
<!--          >删除</el-button>-->
<!--        </template>-->
<!--      </el-table-column>-->
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改班级学员对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级" prop="className">
          <el-input v-model="form.className" readonly placeholder="请选择班级" >
            <i  class="el-icon-edit el-input__icon" slot="suffix" @click="openSelectClass" />
          </el-input>
        </el-form-item>
        <el-form-item label="课程名称" prop="curriculumName">
          <el-input v-model="form.curriculumName" disabled  placeholder="请输入课程" />
        </el-form-item>

        <el-form-item label="学员" prop="studentName">
          <el-input v-model="form.studentName" readonly placeholder="请选择学员" >
            <i  class="el-icon-edit el-input__icon" slot="suffix" @click="openSelectStudent" />
          </el-input>
        </el-form-item>

        <el-form-item label="状态" prop="state">
          <el-select v-model="form.state" placeholder="请选择状态">
            <el-option
              v-for="dict in dict.type.student_state"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <select-class ref="selectClass"  @ok="selectClassOk" />
    <select-student ref="selectStudent"  @ok="openSelectStudentOk" />



  </div>
</template>

<script>
import { listClassStudent, getClassStudent, delClassStudent, addClassStudent, updateClassStudent } from "@/api/jiaopei/classStudent";
import selectClass from "@/views/jiaopei/class/selectClass";
import selectStudent from "@/views/jiaopei/student/selectStudent";


export default {
  name: "ClassStudent",
  dicts: ['student_state'],
  components: { selectClass,selectStudent },
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 班级学员表格数据
      classStudentList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        classId: undefined,
        studentId: undefined,
        curriculumId: undefined,
        className: undefined,
        studentName: undefined,
        curriculumName: undefined,
        state: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        id: [
          { required: true, message: "ID不能为空", trigger: "blur" }
        ],
        classId: [
          { required: true, message: "班级ID不能为空", trigger: "blur" }
        ],
        studentId: [
          { required: true, message: "学员ID不能为空", trigger: "blur" }
        ],
        curriculumId: [
          { required: true, message: "课程ID不能为空", trigger: "blur" }
        ],
        state: [
          { required: true, message: "状态不能为空", trigger: "blur" }
        ],
        createdDate: [
          { required: true, message: "创建时间不能为空", trigger: "blur" }
        ]
      },
      leftUrl:undefined
    };
  },
  watch: {
    $route: {
      immediate: true,
      handler(to, from) {
        if(to.path=='/yewu/classStudent'){
          if(this.leftUrl!=to.fullPath){

            if(this.$route.query['className']){
              this.queryParams.className=this.$route.query['className'];
            }
            this.getList();
          }
          this.leftUrl=to.fullPath;
        }
      }
    }
  },
  created() {

    if(this.$route.query['className']){
      this.queryParams.className=this.$route.query['className'];
    }

    this.getList();
  },
  methods: {
    /** 查询班级学员列表 */
    getList() {
      this.loading = true;
      listClassStudent(this.queryParams).then(response => {
        this.classStudentList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        classId: undefined,
        className: undefined,
        studentId: undefined,
        studentName: undefined,
        curriculumId: undefined,
        curriculumName: undefined,
        state: '1',
        createdDate: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级学员";

      if(this.$route.query['className']){
        this.form.className=this.$route.query['className'];
      }
      if(this.$route.query['classId']){
        this.form.classId=this.$route.query['classId'];
      }
      if(this.$route.query['curriculumName']){
        this.form.curriculumName=this.$route.query['curriculumName'];
      }
      if(this.$route.query['curriculumId']){
        this.form.curriculumId=this.$route.query['curriculumId'];
      }




    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const id = row.id || this.ids
      getClassStudent(id).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改班级学员";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.id != null) {
            updateClassStudent(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addClassStudent(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除班级学员编号为"' + ids + '"的数据项？').then(() => {
        this.loading = true;
        return delClassStudent(ids);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      }).finally(() => {
        this.loading = false;
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('jiaopei/classStudent/export', {
        ...this.queryParams
      }, `classStudent_${new Date().getTime()}.xlsx`)
    },
    openSelectClass(){
      this.$refs.selectClass.show();
    },
    selectClassOk(row){
      console.log(row)
      this.form.classId=row['id'];
      this.form.className=row['name'];
      this.form.curriculumId=row['curriculumId'];
      this.form.curriculumName=row['curriculumVo']['name'];

      this.$forceUpdate();
    },
    openSelectStudent(){
      let curriculumId=undefined;
      let classId=undefined;
      if(this.$route.query['curriculumId']){
        curriculumId=this.$route.query['curriculumId'];
      }
      if(this.form['curriculumId']){
        curriculumId=this.form['curriculumId'];
      }

      if(this.$route.query['classId']){
        classId=this.$route.query['classId'];
      }
      if(this.form['classId']){
        classId=this.form['classId'];
      }

      this.$refs.selectStudent.show(true,{'curriculumId':curriculumId,'classId':classId});
    },
    openSelectStudentOk(row){
      this.form.studentId=row['id'];
      this.form.studentName=row['name'];

    }
  }
};
</script>
